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[td-225] fix invalid write in tbname query

This commit is contained in:
Haojun Liao 2020-07-14 22:58:37 +08:00
parent 8114e1e758
commit d5e0bfc42e
1 changed files with 3 additions and 4 deletions
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7
src/query/src/qast.c
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@ -1062,10 +1062,9 @@ tExprNode* exprTreeFromTableName(const char* tbnameCond) {
if (*e == TS_PATH_DELIMITER[0]) { if (*e == TS_PATH_DELIMITER[0]) {
cond = e + 1; cond = e + 1;
} else if (*e == ',') { } else if (*e == ',') {
size_t len = e - cond + VARSTR_HEADER_SIZE; size_t len = e - cond;
char* p = exception_malloc(len); char* p = exception_malloc(len + VARSTR_HEADER_SIZE);
varDataSetLen(p, len - VARSTR_HEADER_SIZE); STR_WITH_SIZE_TO_VARSTR(p, cond, len);
memcpy(varDataVal(p), cond, len);
cond += len; cond += len;
taosArrayPush(pVal->arr, &p); taosArrayPush(pVal->arr, &p);
} }